<?php
namespace Home\Controller;
class AESUtil {
	
	

	public static function encrypt($input, $key) {

	$size = mcrypt_get_block_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB);

	$input = AESUtil::pkcs5_pad($input, $size);

	$td = mcrypt_module_open(MCRYPT_RIJNDAEL_128, '', MCRYPT_MODE_ECB, '');

	$iv = mcrypt_create_iv (mcrypt_enc_get_iv_size($td), MCRYPT_RAND);

	mcrypt_generic_init($td, $key, $iv);

	$data = mcrypt_generic($td, $input);

	mcrypt_generic_deinit($td);

	mcrypt_module_close($td);

	$data = strtoupper(bin2hex($data));

	return $data;

	}

 

	private static function pkcs5_pad ($text, $blocksize) {

		$pad = $blocksize - (strlen($text) % $blocksize);

		return $text . str_repeat(chr($pad), $pad);

	}

 

	public static function decrypt($sStr, $sKey) {

		$decrypted= mcrypt_decrypt(

		MCRYPT_RIJNDAEL_128,

		$sKey,

		base64_decode($sStr),

		MCRYPT_MODE_ECB

	);

 

		$dec_s = strlen($decrypted);

		$padding = ord($decrypted[$dec_s-1]);

		$decrypted = substr($decrypted, 0, -$padding);

		return $decrypted;

	}	
}
?>